furnace/extern/macports-legacy-support/include/sys/queue.h

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/*
* Copyright (c) 2018 Chris Jones <jonesc@macports.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _MACPORTS_SYS_QUEUE_H_
#define _MACPORTS_SYS_QUEUE_H_
/* MP support header */
#include "MacportsLegacySupport.h"
/* Include the primary system sys/queue.h */
#include_next <sys/queue.h>
#if __MP_LEGACY_SUPPORT_STAILQ_FOREACH__
/* STAILQ_FOREACH is not defined on Tiger */
#ifndef STAILQ_FOREACH
#define STAILQ_FOREACH(var, head, field) \
for((var) = STAILQ_FIRST((head)); \
(var); \
(var) = STAILQ_NEXT((var), field))
#endif
#endif /* __MP_LEGACY_SUPPORT_STAILQ_FOREACH__ */
#endif /* _MACPORTS_SYS_QUEUE_H_ */